/* Copyright (c) 2020 XEPIC Corporation Limited */
/*
 * Copyright (c) 1999-2010 Stephen Williams (steve@icarus.com)
 *
 *    This source code is free software; you can redistribute it
 *    and/or modify it in source code form under the terms of the GNU
 *    General Public License as published by the Free Software
 *    Foundation; either version 2 of the License, or (at your option)
 *    any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 * USA.
 */

#include <string.h>

#include "sys_priv.h"

static PLI_INT32 sys_finish_calltf(ICARUS_VPI_CONST PLI_BYTE8 *name) {
  vpiHandle callh, argv;
  s_vpi_value val;
  long diag_msg = 1;

  /* Get the argument list and look for the diagnostic message level. */
  callh = vpi_handle(vpiSysTfCall, 0);
  argv = vpi_iterate(vpiArgument, callh);
  if (argv) {
    vpiHandle arg = vpi_scan(argv);
    vpi_free_object(argv);
    val.format = vpiIntVal;
    vpi_get_value(arg, &val);
    diag_msg = val.value.integer;
  }

  if (strcmp((const char *)name, "$stop") == 0) {
    vpi_control(vpiStop, diag_msg);
    return 0;
  }

  vpip_set_return_value(0);

  vpi_control(vpiFinish, diag_msg);
  return 0;
}

void sys_finish_register(void) {
  s_vpi_systf_data tf_data;
  vpiHandle res;

  tf_data.type = vpiSysTask;
  tf_data.tfname = "$finish";
  tf_data.calltf = sys_finish_calltf;
  tf_data.compiletf = sys_one_opt_numeric_arg_compiletf;
  tf_data.sizetf = 0;
  tf_data.user_data = "$finish";
  res = vpi_register_systf(&tf_data);
  vpip_make_systf_system_defined(res);

  tf_data.type = vpiSysTask;
  tf_data.tfname = "$stop";
  tf_data.calltf = sys_finish_calltf;
  tf_data.compiletf = sys_one_opt_numeric_arg_compiletf;
  tf_data.sizetf = 0;
  tf_data.user_data = "$stop";
  res = vpi_register_systf(&tf_data);
  vpip_make_systf_system_defined(res);
}
